Primus Trail Flow Womens Storm Cloud NOS The Ultra II is barefoot

The Ultra II is barefoot amphibious footwear for young adventurers

Enter the Jungle ESC: a barefoot

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Primus Trail Flow Womens Storm Cloud NOS The Ultra II is barefootThe Primus Trail Flow is a lightweight, high performance barefoot trail runner built for moving naturally across varied terrain. With a breathable recycled mesh upper and a grippy, low profile outsole, it delivers strong ground feel while keeping you agile and connected. Designed for responsive movement, its ideal for trail runs, hikes, and off road exploration.